package cn.maxwell;

import com.netflix.loadbalancer.RandomRule;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

/**
 * @SpringBootApplication；内部包含很多jar包和注解
 *                          开启扫描包路径
 *                          开启对注解的支持
 *                          放行静态资源
 */
@SpringBootApplication
//开启EurekaServerke客户端
@EnableEurekaClient
//开启Hystrix熔断
@EnableCircuitBreaker
public class OrderStart {
    //配置一个RestTemplate ，Spring封装的一个机遇Restful风格的http客户端 工具
    //@LoadBalanced :让RestTemplate有负载均衡的功能
    @Bean
    @LoadBalanced
    public RestTemplate restTemplate(){
        return new RestTemplate();
    }

    //负载均衡算法
    @Bean
    public RandomRule randomRule(){
        return new RandomRule();
    }

    public static void main(String[] args) {
        SpringApplication.run(OrderStart.class);
    }
}
